diff --git a/www/pict-converter.sh b/www/pict-converter.sh
index ed5931d..bdb9129 100755
--- a/www/pict-converter.sh
+++ b/www/pict-converter.sh
@@ -7,17 +7,22 @@ function convertVideo {
   echo 'Video conversion'
   pf=$1
   vf=$2
+  echo "creating raw timelaps"
   ffmpeg -y \
     -framerate $pf \
     -pattern_type glob -i 'public_html/pictures/*.jpg' \
     -r $vf -pix_fmt yuv420p -c:v libx264 \
-    videos/timelaps-raw.mp4
+    tmp_videos/timelaps-raw.mp4
 
-  ffmpeg -y -i public_html/videos/timelaps-raw.mp4 -vf "scale=1920:-1, crop=in_w:1080" videos/timelaps-1080p.mp4
-  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=1280:-1, crop=in_w:720" videos/timelaps-720p.mp4
-  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=720:-1, crop=in_w:480" videos/timelaps-480p.mp4
-  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=640:-1, crop=in_w:340" videos/timelaps-360p.mp4
-  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=360:-1, crop=in_w:240" videos/timelaps-240p.mp4
+  echo "optimizing responsive videos"
+  ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=1920:-1, crop=in_w:1080" tmp_videos/timelaps-1080p.mp4
+  ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=1280:-1, crop=in_w:720" tmp_videos/timelaps-720p.mp4
+  ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=720:-1, crop=in_w:480" tmp_videos/timelaps-480p.mp4
+  ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=640:-1, crop=in_w:340" tmp_videos/timelaps-360p.mp4
+  ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=360:-1, crop=in_w:240" tmp_videos/timelaps-240p.mp4
+
+  echo "updating production videos"
+  rsync -r tmp_videos/ public_html/videos/
 }
 
 function exportData {
@@ -26,9 +31,9 @@ function exportData {
   vf=$2
   f=0
 
-  echo -e "{" > metadata/frames.json
-  echo -e '\t"frames":[' >> metadata/frames.json
-  for pict in pictures/*.jpg; do
+  echo -e "{" > tmp_metadata/frames.json
+  echo -e '\t"frames":[' >> tmp_metadata/frames.json
+  for pict in public_html/pictures/*.jpg; do
     # TIME
     # time="${pict/pictures\/hehe-/}"
     # time="${time/.jpg/}"
@@ -38,13 +43,14 @@ function exportData {
 
     # FRAME
     frame=$(((60/$vf)*$f))
-    echo -e "\t\t{\"pict\":\"$pict\", \"time\":\"$time\", \"gps\":\"$gps\", \"frame\":\"$frame\"}," >> metadata/frames.json
+    echo -e "\t\t{\"pict\":\"$pict\", \"time\":\"$time\", \"gps\":\"$gps\", \"frame\":\"$frame\"}," >> tmp_metadata/frames.json
     f=$(($f+1))
   done
 
-  echo -e "\t]" >> metadata/frames.json
-  echo -e "}" >> metadata/frames.json
+  echo -e "\t]" >> tmp_metadata/frames.json
+  echo -e "}" >> tmp_metadata/frames.json
 
+  rsync -r tmp_metadata/ public_html/metadata/
 }
 
 
@@ -52,6 +58,10 @@ function convert {
   now=$(date +"%Y-%m-%d--%T")
   echo "Timelaps conversion | $now"
 
+  _cwd="$(pwd)"
+  mkdir $_cwd/tmp_videos
+  mkdir $_cwd/tmp_metadata
+
   pictframerate=12
   videoframerate=24
 
diff --git a/www/public_html/README.md b/www/public_html/README.md
index d15d9d2..bd2ff3e 100644
--- a/www/public_html/README.md
+++ b/www/public_html/README.md
@@ -5,3 +5,11 @@ lot explorer - hehe rover - server side
 install git : ```sudo pacman -S git```   
 
 from home clone this repos : ```git clone -b server --single-branch -o guime https://g-u-i.me/gogs/bachir/hehe-rover.git ```
+
+
+install ffmpeg and exiftool    
+```
+# for debian server
+apt-get install ffmpeg
+apt-get install libimage-exiftool-perl
+```